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PHP CVEs

Vulnerabilities in the PHP language itself, and which PHP versions they affect.

PHP CVEs stored760
Affected version records16,617
Newest source updateNovember 5, 2026
CVE-2024-2408 June 9, 2024
The openssl_private_decrypt function in PHP, when using PKCS1 padding (OPENSSL_PKCS1_PADDING, which is the default), is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this… Full details
MEDIUM 5.9
CVE-2024-5585 June 9, 2024
In PHP versions 8.1.* before 8.1.29, 8.2.* before 8.2.20, 8.3.* before 8.3.8, the fix for CVE-2024-1874 does not work if the command name includes trailing spaces. Original issue: when using proc_open() command with array syntax, due to… Full details
HIGH 8.8
CVE-2024-5458 June 9, 2024
In PHP versions 8.1.* before 8.1.29, 8.2.* before 8.2.20, 8.3.* before 8.3.8, due to a code logic error, filtering functions such as filter_var when validating URLs (FILTER_VALIDATE_URL) for certain types of URLs the function will result… Full details
MEDIUM 5.3
CVE-2024-3096 April 29, 2024
In PHP  version 8.1.* before 8.1.28, 8.2.* before 8.2.18, 8.3.* before 8.3.5, if a password stored with password_hash() starts with a null byte (\x00), testing a blank string as the password via password_verify() will incorrectly… Full details
MEDIUM 6.5
CVE-2024-2757 April 29, 2024
In PHP 8.3.* before 8.3.5, function mb_encode_mimeheader() runs endlessly for some inputs that contain long strings of non-space characters followed by a space. This could lead to a potential DoS attack if a hostile user… Full details
HIGH 7.5
CVE-2024-1874 April 29, 2024
In PHP versions 8.1.* before 8.1.28, 8.2.* before 8.2.18, 8.3.* before 8.3.5, when using proc_open() command with array syntax, due to insufficient escaping, if the arguments of the executed command are controlled by a… Full details
CRITICAL 9.4
CVE-2024-3566 April 10, 2024
A command inject vulnerability allows an attacker to perform command injection on Windows applications that indirectly depend on the CreateProcess function when the specific conditions are satisfied. Full details
CRITICAL 9.8
CVE-2024-25117 February 21, 2024
php-svg-lib is a scalable vector graphics (SVG) file parsing/rendering library. Prior to version 0.5.2, php-svg-lib fails to validate that font-family doesn't contain a PHAR url, which might leads to RCE on PHP < 8.0,… Full details
CRITICAL 9.8
CVE-2022-4900 November 2, 2023
A vulnerability was found in PHP where setting the environment variable PHP_CLI_SERVER_WORKERS to a large value leads to a heap buffer overflow. Full details
MEDIUM 5.5
CVE-2023-3824 August 11, 2023
In PHP version 8.0.* before 8.0.30,  8.1.* before 8.1.22, and 8.2.* before 8.2.8, when loading phar file, while reading PHAR directory entries, insufficient length checking may lead to a stack buffer overflow, leading potentially… Full details
CRITICAL 9.8
CVE-2023-3823 August 11, 2023
In PHP versions 8.0.* before 8.0.30, 8.1.* before 8.1.22, and 8.2.* before 8.2.8 various XML functions rely on libxml global state to track configuration variables, like whether external entities are loaded. This state is… Full details
HIGH 7.5
CVE-2023-3247 July 22, 2023
In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than… Full details
MEDIUM 4.3
CVE-2023-0567 March 1, 2023
In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it… Full details
MEDIUM 6.2
CVE-2023-0662 February 16, 2023
In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, excessive number of parts in HTTP form upload can cause high resource consumption and excessive number of log entries. This can cause… Full details
HIGH 7.5
CVE-2023-0568 February 16, 2023
In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, core path resolution function allocate buffer one byte too small. When resolving paths with lengths close to system MAXPATHLEN setting, this may… Full details
HIGH 8.1
CVE-2022-31630 November 14, 2022
In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used… Full details
HIGH 7.1
CVE-2022-37454 October 21, 2022
The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function… Full details
CRITICAL 9.8
CVE-2022-31629 September 28, 2022
In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the vulnerability enables network and same-site attackers to set a standard insecure cookie in the victim's browser which is treated as a `__Host-` or `__Secure-` cookie… Full details
MEDIUM 6.5
CVE-2022-31628 September 28, 2022
In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the phar uncompressor code would recursively uncompress "quines" gzip files, resulting in an infinite loop. Full details
MEDIUM 5.5
CVE-2022-31627 July 28, 2022
In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which… Full details
CRITICAL 9.8
CVE-2022-31626 June 16, 2022
In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password… Full details
HIGH 8.8
CVE-2022-31625 June 16, 2022
In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when using Postgres database extension, supplying invalid parameters to the parametrized query may lead to PHP attempting to free memory using… Full details
HIGH 8.1
CVE-2021-21708 February 27, 2022
In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x below 8.1.3, when using filter functions with FILTER_VALIDATE_FLOAT filter and min/max limits, if the filter fails, there is a possibility to trigger use… Full details
CRITICAL 9.8
CVE-2021-21707 November 29, 2021
In PHP versions 7.3.x below 7.3.33, 7.4.x below 7.4.26 and 8.0.x below 8.0.13, certain XML parsing functions, like simplexml_load_file(), URL-decode the filename passed to them. If that filename contains URL-encoded NUL character, this may… Full details
MEDIUM 5.3
CVE-2021-21703 October 25, 2021
In PHP versions 7.3.x up to and including 7.3.31, 7.4.x below 7.4.25 and 8.0.x below 8.0.12, when running PHP FPM SAPI with main FPM daemon process running as root and child worker processes running… Full details
HIGH 7
CVE-2021-21706 October 4, 2021
In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus… Full details
MEDIUM 6.5
CVE-2021-21705 October 4, 2021
In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using URL validation functionality via filter_var() function with FILTER_VALIDATE_URL parameter, an URL with invalid password field can be accepted as… Full details
MEDIUM 5.3
CVE-2021-21704 October 4, 2021
In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using Firebird PDO driver extension, a malicious database server could cause crashes in various database functions, such as getAttribute(), execute(),… Full details
MEDIUM 5.9
CVE-2021-29399 April 19, 2021
XMB is vulnerable to cross-site scripting (XSS) due to inadequate filtering of BBCode input. This bug affects all versions of XMB. All XMB installations must be updated to versions 1.9.12.03 or 1.9.11.16. Full details
MEDIUM 6.1
CVE-2021-21702 February 15, 2021
In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a… Full details
HIGH 7.5
CVE-2020-7071 February 15, 2021
In PHP versions 7.3.x below 7.3.26, 7.4.x below 7.4.14 and 8.0.0, when validating URL with functions like filter_var($url, FILTER_VALIDATE_URL), PHP will accept an URL with invalid password as valid URL. This may lead to… Full details
MEDIUM 5.3
CVE-2020-7070 October 2, 2020
In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when PHP is processing incoming HTTP cookie values, the cookie names are url-decoded. This may lead to cookies with prefixes like… Full details
MEDIUM 5.3
CVE-2020-7069 October 2, 2020
In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with openssl_encrypt() function with 12 bytes IV, only first 7 bytes of the IV is actually… Full details
MEDIUM 6.5
CVE-2020-7068 September 9, 2020
In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, phar_parse_zipfile could be tricked into accessing freed memory, which could lead to a crash… Full details
LOW 3.6
CVE-2020-11579 September 3, 2020
An issue was discovered in Chadha PHPKB 9.0 Enterprise Edition. installer/test-connection.php (part of the installation process) allows a remote unauthenticated attacker to disclose local files on hosts running PHP before 7.2.16, or on hosts… Full details
HIGH 7.5
CVE-2019-11048 May 20, 2020
In PHP versions 7.2.x below 7.2.31, 7.3.x below 7.3.18 and 7.4.x below 7.4.6, when HTTP file uploads are allowed, supplying overly long filenames or field names could lead PHP engine to try to allocate… Full details
MEDIUM 5.3
CVE-2020-7067 April 27, 2020
In PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support (uncommon), urldecode() function can be made to access locations past the allocated memory, due… Full details
HIGH 7.5
CVE-2020-7066 April 1, 2020
In PHP versions 7.2.x below 7.2.29, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using get_headers() with user-supplied URL, if the URL contains zero (\0) character, the URL will be silently truncated at it.… Full details
MEDIUM 4.3
CVE-2020-7065 April 1, 2020
In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes… Full details
HIGH 8.8
CVE-2020-7064 April 1, 2020
In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of… Full details
MEDIUM 5.4
CVE-2020-7063 February 27, 2020
In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when creating PHAR archive using PharData::buildFromIterator() function, the files are added with default permissions (0666, or all access) even if the… Full details
MEDIUM 5.3
CVE-2020-7062 February 27, 2020
In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and the file… Full details
HIGH 7.5
CVE-2020-7061 February 27, 2020
In PHP versions 7.3.x below 7.3.15 and 7.4.x below 7.4.3, while extracting PHAR files on Windows using phar extension, certain content inside PHAR file could lead to one-byte read past the allocated buffer. This… Full details
CRITICAL 9.1
CVE-2014-3622 February 19, 2020
Use-after-free vulnerability in the add_post_var function in the Posthandler component in PHP 5.6.x before 5.6.1 might allow remote attackers to execute arbitrary code by leveraging a third-party filter extension that accesses a certain ksep… Full details
CRITICAL 9.8
CVE-2011-3336 February 12, 2020
regcomp in the BSD implementation of libc is vulnerable to denial of service due to stack exhaustion. Full details
HIGH 7.5
CVE-2020-7060 February 10, 2020
When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to… Full details
CRITICAL 9.1
CVE-2020-7059 February 10, 2020
When using fgetss() function to read data with stripping tags, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause this function… Full details
CRITICAL 9.1
CVE-2015-6497 January 15, 2020
The create function in app/code/core/Mage/Catalog/Model/Product/Api/V2.php in Magento Community Edition (CE) before 1.9.2.1 and Enterprise Edition (EE) before 1.14.2.1, when used with PHP before 5.4.24 or 5.5.8, allows remote authenticated users to execute arbitrary PHP… Full details
HIGH 8.8
CVE-2015-2326 January 14, 2020
The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine… Full details
MEDIUM 5.5
CVE-2015-2325 January 14, 2020
The compile_branch function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code, cause a denial of service (out-of-bounds heap read and crash), or possibly have other unspecified impact via a regular expression… Full details
HIGH 7.8